HWY ELM ST over I 495 NB


+42.34736, -71.57525
42°20'50" N, 71°34'31" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY ELM ST over I 495 NB
Structure number:M06010299DOTNBI
Old structure number:894485002100 (from 1992 edition)
Location:0.5 MI N RT 20
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:73.8 ft. [22.5 m]
Total length:79.4 ft. [24.2 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:49.9 ft. [15.2 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,160 [as of 2015]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:87.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,042,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryGoodSatisfactory616087.7
March 2015FairSatisfactoryGoodSatisfactory1040089.3
March 2013FairSatisfactoryGoodSatisfactory1040089.3
March 2011FairSatisfactoryGoodSatisfactory1040089.3
March 2009FairSatisfactoryGoodSatisfactory1040089.3
March 1999GoodGoodGoodGood650092.3
March 1995FairGoodSatisfactoryGood1357882.8
March 1993FairGoodSatisfactoryGood600092.6
February 1991FairSatisfactorySatisfactoryGood600093.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.530530000
Steel Protective Coatingsq. ft.4,64303,9476960
Reinforced Concrete Decksq. ft.3,8362,6261,200100
Wearing Surfacessq. ft.3,0807552,32230
Reinforced Concrete Abutmentlinear ft.17614712170
Pourable Jointlinear ft.4000040
Movable Bearingeach77000
Steel Protective Coatingsq. ft.140770
Fixed Bearingeach77000
Steel Protective Coatingsq. ft.1401400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.153153000